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[NEW] [high] n8n: Multiple vulnerabilities

high
A remote, authenticated attacker can exploit multiple vulnerabilities in n8n to execute arbitrary code, bypass security measures, perform server-side request forgery (SSRF) attacks, disclose information, and manipulate data.

CSIRTS triage

vendor: n8nproduct: n8nRemote code executionAuthentication bypassServer-side request forgeryInformation disclosureCode injection
What
Multiple vulnerabilities in n8n allow authenticated attackers to execute arbitrary code, bypass security measures, perform SSRF attacks, disclose information, and manipulate data.
Who is affected
n8n deployments accessible to authenticated users are affected.
Urgency
High severity; remote code execution by authenticated users is critical.
Action
Patch n8n to the latest security release immediately.

AI-assisted analysis generated from the source advisory — verify against the original.

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Details

Source
CERT-Bund (BSI) Security Advisories (DE · national-cert · site)
Severity
high
Published
2026-08-20
Exploitation
Not in CISA KEV at last sync
Language
Machine-translated to English — verify against the original

Original advisory: https://wid.cert-bund.de/portal/wid/securityadvisory?name=WID-SEC-2026-2936

Recent advisories for n8n

A cluster of recent advisories against the same product widens the attack surface — attackers routinely chain freshly published CVEs on one product, so review these together.

More from CERT-Bund (BSI) Security Advisories